Twitter people only: TunkRank uses an interesting algorithm to determine your twitter "influence". Basically, it checks to see how many of your followers have a small number of followers (and so on). The theory is that if a follower of yours only follows a small number of people, (s)he is more likely to pay attention to what you say, and maybe even re-tweet it. If HER followers follow only a few people, then when your follower re-tweets you, her follower is likely to notice that message ... and so on. I suppose TunkRank could go 4 or 5 levels deep but my guess is it stops at 2. This is much more interesting to me than simply # of followers. What's your tunkrank?